Buffer overflow in Denx U-Boot

CVE-2022-33103

Das U-Boot from v2020.10 to v2022.07-rc3 was discovered to contain an out-of-bounds write via the function sqfs_readdir().

Vulnerability class: Buffer Overflow

EPSS: 0.005 (37.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Denx U-boot — versions 2022.07
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-33103?: CVE-2022-33103 is a high-severity vulnerability in Denx U-Boot, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-07-01.
How severe is CVE-2022-33103?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2022-33103 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.